Granted Patent
Utility
US 6,419,663 · App. 09/865,076
Mechanically propelled, metered liquid dispenser
Inventor:
John E. Harrold
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: May 24, 2001
Inventor
John E. Harrold
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.